mirror of
https://github.com/OPCFoundation/UA-.NETStandard.git
synced 2026-10-22 17:50:03 +08:00
Erich Barnstedt
2901d8e5bb
2. Removed client cert validation from HTTPS client and server as this is not supported on all platforms, e.g. .Net4.6. 3. Reverted back to XmlDocument from XDocument as this is now supported via a NuGet package on UWP and XDocument is not supported on .Net4.6. 4. Baseline .Net4.6 samples and assoc. controls project check-in, not working yet. 5. Moved UWP client controls from SDK to Samples directly.
391 lines
14 KiB
C#
391 lines
14 KiB
C#
/* ========================================================================
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* Copyright (c) 2005-2013 The OPC Foundation, Inc. All rights reserved.
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*
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* OPC Foundation MIT License 1.00
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* The complete license agreement can be found here:
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* http://opcfoundation.org/License/MIT/1.00/
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* ======================================================================*/
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Text;
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using System.Windows.Forms;
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using Opc.Ua;
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using Opc.Ua.Client;
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namespace Opc.Ua.Client.Controls
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{
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/// <summary>
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/// Displays the results from a history read operation.
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/// </summary>
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public partial class CallRequestListViewCtrl : UserControl
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{
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#region Constructors
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/// <summary>
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/// Constructs a new instance.
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/// </summary>
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public CallRequestListViewCtrl()
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{
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InitializeComponent();
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ResultsDV.AutoGenerateColumns = false;
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ImageList = new ClientUtils().ImageList;
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m_dataset = new DataSet();
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m_dataset.Tables.Add("Arguments");
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m_dataset.Tables[0].Columns.Add("Argument", typeof(Argument));
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m_dataset.Tables[0].Columns.Add("Icon", typeof(Image));
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m_dataset.Tables[0].Columns.Add("Name", typeof(string));
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m_dataset.Tables[0].Columns.Add("DataType", typeof(string));
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m_dataset.Tables[0].Columns.Add("Value", typeof(Variant));
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m_dataset.Tables[0].Columns.Add("Result", typeof(string));
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ResultsDV.DataSource = m_dataset.Tables[0];
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}
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#endregion
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#region Private Fields
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private DataSet m_dataset;
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private Session m_session;
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private NodeId m_objectId;
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private NodeId m_methodId;
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private Argument[] m_inputArguments;
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private Argument[] m_outputArguments;
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#endregion
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#region Public Members
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/// <summary>
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/// Changes the session used for the call request.
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/// </summary>
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public void ChangeSession(Session session)
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{
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m_session = session;
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}
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/// <summary>
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/// Sets the method for the call request.
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/// </summary>
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public void SetMethod(NodeId objectId, NodeId methodId)
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{
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if (objectId == null)
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{
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new ArgumentNullException("objectId");
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}
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if (methodId == null)
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{
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new ArgumentNullException("methodId");
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}
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m_objectId = objectId;
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m_methodId = methodId;
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ReadArguments(methodId);
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DisplayInputArguments();
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}
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/// <summary>
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/// Calls the method.
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/// </summary>
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public void Call()
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{
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// build list of methods to call.
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CallMethodRequestCollection methodsToCall = new CallMethodRequestCollection();
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CallMethodRequest methodToCall = new CallMethodRequest();
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methodToCall.ObjectId = m_objectId;
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methodToCall.MethodId = m_methodId;
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foreach (DataRow row in m_dataset.Tables[0].Rows)
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{
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Argument argument = (Argument)row[0];
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Variant value = (Variant)row[4];
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argument.Value = value.Value;
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methodToCall.InputArguments.Add(value);
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}
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methodsToCall.Add(methodToCall);
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// call the method.
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CallMethodResultCollection results = null;
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DiagnosticInfoCollection diagnosticInfos = null;
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ResponseHeader responseHeader = m_session.Call(
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null,
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methodsToCall,
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out results,
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out diagnosticInfos);
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ClientBase.ValidateResponse(results, methodsToCall);
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ClientBase.ValidateDiagnosticInfos(diagnosticInfos, methodsToCall);
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for (int ii = 0; ii < results.Count; ii++)
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{
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// display any input argument errors.
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if (results[ii].InputArgumentResults != null)
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{
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for (int jj = 0; jj < results[ii].InputArgumentResults.Count; jj++)
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{
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if (StatusCode.IsBad(results[ii].InputArgumentResults[jj]))
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{
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DataRow row = m_dataset.Tables[0].Rows[jj];
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row[5] = results[ii].InputArgumentResults[jj].ToString();
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ResultCH.Visible = true;
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}
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}
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}
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// throw an exception on error.
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if (StatusCode.IsBad(results[ii].StatusCode))
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{
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throw ServiceResultException.Create(results[ii].StatusCode, ii, diagnosticInfos, responseHeader.StringTable);
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}
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// display the output arguments
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ResultCH.Visible = false;
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NoArgumentsLB.Visible = m_outputArguments == null || m_outputArguments.Length == 0;
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NoArgumentsLB.Text = "Method invoked successfully.\r\nNo output arguments to display.";
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m_dataset.Tables[0].Rows.Clear();
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if (m_outputArguments != null)
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{
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for (int jj = 0; jj < m_outputArguments.Length; jj++)
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{
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DataRow row = m_dataset.Tables[0].NewRow();
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if (results[ii].OutputArguments.Count > jj)
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{
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UpdateRow(row, m_outputArguments[jj], results[ii].OutputArguments[jj], true);
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}
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else
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{
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UpdateRow(row, m_outputArguments[jj], Variant.Null, true);
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}
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m_dataset.Tables[0].Rows.Add(row);
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}
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}
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}
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}
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/// <summary>
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/// Returns the grid to the enter input arguments state.
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/// </summary>
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public void Back()
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{
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DisplayInputArguments();
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// clear any selection.
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foreach (DataGridViewRow row in ResultsDV.Rows)
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{
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row.Selected = false;
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}
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}
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#endregion
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#region Private Methods
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/// <summary>
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/// Displays the input arguments.
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/// </summary>
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private void DisplayInputArguments()
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{
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ResultCH.Visible = false;
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NoArgumentsLB.Visible = m_inputArguments == null || m_inputArguments.Length == 0;
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NoArgumentsLB.Text = "No input arguments to display.";
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m_dataset.Tables[0].Rows.Clear();
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if (m_inputArguments != null)
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{
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foreach (Argument argument in m_inputArguments)
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{
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DataRow row = m_dataset.Tables[0].NewRow();
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UpdateRow(row, argument, new Variant(argument.Value), false);
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m_dataset.Tables[0].Rows.Add(row);
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}
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}
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}
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/// <summary>
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/// Updates the row with an argument and its value.
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/// </summary>
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private void UpdateRow(DataRow row, Argument argument, Variant value, bool isOutputArgument)
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{
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string dataType = m_session.NodeCache.GetDisplayText(argument.DataType);
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if (argument.ValueRank >= 0)
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{
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dataType += "[]";
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}
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row[0] = argument;
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row[1] = ImageList.Images[ClientUtils.GetImageIndex(isOutputArgument, value.Value)];
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row[2] = argument.Name;
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row[3] = dataType;
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row[4] = value;
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row[5] = String.Empty;
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}
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/// <summary>
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/// Reads the arguments for the method.
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/// </summary>
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private void ReadArguments(NodeId nodeId)
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{
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m_inputArguments = null;
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m_outputArguments = null;
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// build list of references to browse.
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BrowseDescriptionCollection nodesToBrowse = new BrowseDescriptionCollection();
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BrowseDescription nodeToBrowse = new BrowseDescription();
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nodeToBrowse.NodeId = nodeId;
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nodeToBrowse.BrowseDirection = BrowseDirection.Forward;
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nodeToBrowse.ReferenceTypeId = Opc.Ua.ReferenceTypeIds.HasProperty;
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nodeToBrowse.IncludeSubtypes = true;
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nodeToBrowse.NodeClassMask = (uint)NodeClass.Variable;
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nodeToBrowse.ResultMask = (uint)BrowseResultMask.BrowseName;
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nodesToBrowse.Add(nodeToBrowse);
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// find properties.
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ReferenceDescriptionCollection references = ClientUtils.Browse(m_session, null, nodesToBrowse, false);
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// build list of properties to read.
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ReadValueIdCollection nodesToRead = new ReadValueIdCollection();
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for (int ii = 0; references != null && ii < references.Count; ii++)
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{
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ReferenceDescription reference = references[ii];
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// ignore out of server references.
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if (reference.NodeId.IsAbsolute)
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{
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continue;
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}
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// ignore other properties.
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if (reference.BrowseName != Opc.Ua.BrowseNames.InputArguments && reference.BrowseName != Opc.Ua.BrowseNames.OutputArguments)
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{
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continue;
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}
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ReadValueId nodeToRead = new ReadValueId();
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nodeToRead.NodeId = (NodeId)reference.NodeId;
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nodeToRead.AttributeId = Attributes.Value;
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nodeToRead.Handle = reference;
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nodesToRead.Add(nodeToRead);
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}
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// method has no arguments.
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if (nodesToRead.Count == 0)
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{
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return;
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}
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// read the arguments.
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DataValueCollection results = null;
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DiagnosticInfoCollection diagnosticInfos = null;
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m_session.Read(
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null,
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0,
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TimestampsToReturn.Neither,
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nodesToRead,
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out results,
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out diagnosticInfos);
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ClientBase.ValidateResponse(results, nodesToRead);
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ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToRead);
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// save the results.
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for (int ii = 0; ii < results.Count; ii++)
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{
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ReferenceDescription reference = (ReferenceDescription)nodesToRead[ii].Handle;
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if (StatusCode.IsGood(results[ii].StatusCode))
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{
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if (reference.BrowseName == Opc.Ua.BrowseNames.InputArguments)
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{
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m_inputArguments = (Argument[])ExtensionObject.ToArray(results[ii].GetValue<ExtensionObject[]>(null), typeof(Argument));
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}
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if (reference.BrowseName == Opc.Ua.BrowseNames.OutputArguments)
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{
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m_outputArguments = (Argument[])ExtensionObject.ToArray(results[ii].GetValue<ExtensionObject[]>(null), typeof(Argument));
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}
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}
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}
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// set default values for input arguments.
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if (m_inputArguments != null)
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{
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foreach (Argument argument in m_inputArguments)
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{
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argument.Value = TypeInfo.GetDefaultValue(argument.DataType, argument.ValueRank, m_session.TypeTree);
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}
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}
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}
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#endregion
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#region Event Handlers
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private void EditMI_Click(object sender, EventArgs e)
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{
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try
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{
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foreach (DataGridViewRow row in ResultsDV.SelectedRows)
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{
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DataRowView source = row.DataBoundItem as DataRowView;
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Argument argument = (Argument)source.Row[0];
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BuiltInType builtInType = TypeInfo.GetBuiltInType(argument.DataType, m_session.TypeTree);
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object result = new EditComplexValueDlg().ShowDialog(
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new TypeInfo(builtInType, argument.ValueRank),
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argument.Name,
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argument.Value,
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"Edit Input Argument");
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if (result != null)
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{
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argument.Value = result;
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UpdateRow(source.Row, argument, new Variant(result), false);
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}
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break;
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}
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}
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catch (Exception exception)
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{
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ClientUtils.HandleException(this.Text, exception);
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}
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}
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#endregion
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}
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}
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